Popular Color Video Door Phone with Lock Control

7" color video door phones

See who's at the door from your living room/kitchen.
Talk to them from your living room/kitchen.
Hands free talk possible.
Mute to keep silent call with LED flashes.
Multiple camera inputs possible

One outdoor station at front door, the other one outdoor station at back door.
1. Two way communication (Talk with visitor)
2. Unlock the door
3. Monitoring from outdoor camera and indoor monitor
4. Intercom between different monitors
5. Adjustable brightness, color, contrasts and volume
6. Changeable chord melody
7.4-wire connection